duct section 中文意思是什麼
duct section
解釋
管道段長-
But as a result of bile duct bend or narrow, the comparative requirement that imposes bile is poorer, when stone is lesser, often get the accurate section of supersonic scanning not easily, especially gastric bowel bilges when gas, below bravery manager paragraph often be disturbed and make calculous supersonic show resemble having difficulty
但由於膽管的彎曲或狹窄，加上膽汁的對比條件較差，當結石較小時，常不易得到超聲掃描的準確斷面，尤其是胃腸脹氣時，膽總管下段常受到干擾而使結石的超聲顯像有困難。 -
Effect of secondary flow on erosion from solid particles in 90 curved duct of quadrate section
彎管內二次流對固粒磨損壁面的影響 -
Based on the temperature field obtained by the thermal analysis, a parametric analysis is conducted to investigate the interlaminar stress at the interface between the composite and the thermal barrier in the cross - section of the inlet duct, using the commercial finite element software ansys
在熱分析的基礎上，採用ansys有限元軟體計算了復合材料進氣道截面在假設工況下的應力場，為碳纖維纏繞復合材料進氣道熱防護方案的設計提供了實用的參考依據。 -
The results indicate that the recirculations are caused at the closed end of the main duct and near the lower wall of the main duct in the lower side duct, and the secondary recirculation in the main duct ' s cross section, which appears only near the lower side duct, is caused due to section enlargement as gas enters the main duct from the side duct, when gas enters only at the entrance of the side duct
實驗結果表明，在只有支管進氣的情況下，在總管的封閉端和支管下游總管壁面處產生了迴流；以及氣流從支管進入總管後由于截面擴張在總管橫截面上所誘發的二次流，並且二次流現象只發生在支管下游附近的總管橫截面上。 -
Characteristics of fluid flow in rotating curved rectangular cross - section duct
繞任意軸旋轉的矩形截面彎管流動特性 -
The straight section of secondary air duct for boiler of 600 mw supercritical unit manufactured by dongfang boiler factory is shorter, at the time the measurement of air flow is being carried out by adopting velocity - equalizing tube flowmeter, the required precision can ' t be reached
摘要東方鍋爐廠製造的600mw超臨界機組鍋爐二次風道的直管段較短，採用均速管流量計進行風量測量時，達不道精度要求。 -
Numerical simulation of the secondary flow in a curved duct of square shaped cross - section
方形截面彎管二次流數值模擬 -
Research on the flow characteristics of large curvature rotating square section duct
繞任意軸旋轉的方形截面大麴率彎管流動特性的研究 -
At first, the soft of bridge structure, gqjs, is used to calculate the structure of prestressed concrete continuous beam bridge and the deformation and stress of the concrete box beam are given out ; then by measuring and analyzing the datum of the stress in the prestressed steel rope and the stress of section in the concrete box beam, this article presents two ways to identify the reasonable friction deviation factor k between longitudinal prestressed tendons and the wall of duct ( indirectly and directly ), and discover the regular pattern of prestressed friction loss
首先運用橋梁結構分析專用軟體gqjs對預應力混凝土連續梁橋進行結構計算，得到了各施工工況下混凝土箱梁的撓度和截面應力；然後給出了識別引起結構預應力損失的孔道偏差系數k的兩種方法（間接法和直接法） 。通過對測得的預應力索沿程應力和混凝土箱梁截面應力數據的分析處理，得到了合理的預應力孔道摩擦偏差系數及預應力摩阻損失規律。 -
Direct numerical simulation of turbulent flow and heat transfer in square duct with steady natural convection in cross section
具有截面自然對流通道內湍流換熱的直接數值模擬
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